Bracket for belt pulleys



Aug. 1, 1933. A PAGE, JR 1,920,950

BRACKET FOR BELT VPULLEYS Filed March 1, 1930 IN V EN TOR.

20iwhile'they are in position.

Patented Aug. 1', 1933 Alwin Page, Jr., Bellevue, Pa., assignor to The Koppers Company of Delaware, a Corporation of Delaware Application March 1, 1930. Serial No. 432,324

3 Claims. (Cl. 30820) My invention relates to supporting devices for upright portion or standard 9 and a top portion belt pulleys and particularly to brackets for vor block 10, within which is located suitable supporting troughing idlers for conveyor belts. recesses 11 for receiving the ends of the shafts 5.

An object of my invention is to providea Each of the recesses 11 comprises an inner en- UNITE simple bracket of rigid construction for suplarged portion or groove 12 that is of such width 60 porting the ends of shafts of belt pulleys. as to receive the end portion of the shaft which v A further object of my invention is to provide has not been reduced by the notches 6. The a bracket for belt pulleys that is .so constructed outer side of each recess 11 is provided with two that the shafts may be easily inserted therein inwardly projecting parallel flanges 13, that are and removed therefrom and which operates to adapted to extend into the segmental notches 6 5 prevent rotation of the shafts and to prevent to retain the shafts in position against endwise endwise movements of the latter. movement and also to prevent rotation of the 'In accordance with the present invention, I shaft. The grooves 12 are provided with drain provide abracket having slots that are arranged holes 14 to prevent the accumulation of oil or 15 to receive the ends of adjacent shafts that are dirt in the recesses 11. 702

at an angle to each other. The shafts are The pulleys are placed in position with respect notched and the recesses are provided with proto the brackets 4 by adjusting the corresponding jections for extending into the slots to prevent shaft 5 to such position that the segmental rotative and endwise movements of the shafts notches 6 are in alignment with the inwardly projecting flanges 13 and then moving the pulley The details of my invention will be described and itsshaft downwardly until the shaft is seated in connection with the accompanying drawing, in the corresponding notches 11 with the flanges in which 13 adjacent to the bottom portions of the Figure 1 is a view in side elevation of a pornotches 6. 25 tion of a set of troughing idlers and intermediate The pulleys then remain in position by reason supporting means therefor; of their own weight and the weight of the belt Fig. 2 is an enlarged view, in side elevation, of which they support. The flanges 13 effectively one of the supporting brackets; coact with the reduced section of the shafts to Fig. 3 is a still further enlarged top plan view prevent rotation and also to prevent endwise 30 of the bracket of Fig. 2; movement of the shafts, as will be readily under- Fig. 4 is a view in elevation, taken at right stood, V angles to Fig. 2; For convenience in shipping, each bracket 4 is Fig; 5 is a perspective View of the end portion of provided with a hole 15 through each of two web a pulley shaft; and portionsand through which holes a wire or other Fig. 6 is an enlarged view in transverse secfastening device may be secured to prevent the tion of the shaft taken on line VI-VI of Fig. 5. shafts 5 from shifting out'of the recesses 11.

The intermediate portions of conveyor belts My improved construction provides a simple are usually supported by mechanisms known as and eflicient arrangement whereby the pulleys troughing idlers, a'portion of a set of which is may be easily and conveniently placed in posiillustrated in Fig. 1. The idler pulleys l, 2 and 3 tion upon the supporting brackets or may be reare mounted at angles to each other and are supmoved therefrom. The brackets may be made ported in brackets 4 that are adapted to receive in a single casting and it is a relatively simple the ends of the shafts at the desired angles. The matter to provide the shafts with notches.

outer supporting brackets for the pulleys land 3 The foregoing and other advantages will be V have been omitted as unnecessary to an underapparent to those skilled in the art relating to I00 standing of the present invention, as they may devices of the same general character.

be in general similar to the brackets 4 or of any I claim as my invention: desired or usual construction. 1. Belt-supporting means comprising a plu- Each of the pulleys is provided with a shaft 5 rality of pulleys adapted to operate with their portion of a shaft being shown in Fig. 5. Each which they are rotatably mounted, adjacent end shaft has segmental notches 6 on opposite sides portions of said shafts having oppositely disposed and adjacent the ends thereof, to produce a reparallel slots, and a supporting bracket for said ,duced section, as shown in Fig. 6. adjacent end portions of said shafts and hav- The brackets 4 comprise a base portion 8, an ing a substantially solid upper portion with sepa- 1 0 upon which it is rotatably mounted, an enlarged axes at an angle, said pulleyshaving shafts upon 105.

rate recessed portions for receiving the respective extreme end portions of said shafts and having parallel portions for projecting into said slots to prevent rotation of said shafts and to prevent endwise movements of the latter.

2. A bracket for supporting belt pulleys comprising. a stanclardhaving a recess in its upper end that isadapted to reoeivethe of a shaft, said recess having an inner relatively enlarged portion for receiving the extreme end portion of said shaft and an outer relatively restricted; portion for coacting with a reducedportion of the shaft to be received by said recess, the shaft por an angleto' each other and adapted to receive.

ends of shafts extending at'right angles to the respective recesses, each ofsaid recesses having a relatively: restricted outer portion and a relatively enlarged portion for coacting with corresponding portions of the shafts to be received ztotrestrain certain movements of the latter.

ALWIN PAGE, JR. 

